Background on the 787-9 DreamlinerWas scheduled to enter service in May 2008 but ended up having its first flight on December 15th 2009. First of its kind to use composite materials throughout construction and proposed to be the most fuel-efficient airliner in the world.The '787' model was originally called '7E7' and the E was said to stand for various economical pointers, such as “efficiency” or “environmentally friendly” (Wikipedia. 2008)The 787 consumes 20% less fuel than the similarly-sized Boeing 767.Features include a four-panel windshield, noise-reducing chevrons on its engine nacelles, and a smoother contour regarding its nose.

Design and Materials – ComparisonThe 787-9 will be the first variant of the 787 with a "stretched" or lengthened fuselage, seating 250–290 in three classes compared to the 787-8 only holding 210-250.This upgraded model differs from the 787-8 in several ways, including structural strengthening, a higher fuel capacity, but with the same wingspan as the 787-8.787-9 Dreamliner'sairframe featureslight-weight materialsincluding: (BoeingCommercialAirplanes. 2008)50% Composite20% Aluminum15% Titanium10% Steel5% Other

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Comparing the other 787 DreamlinersWhere the 787-3, 787-8 and 787-9 fit on the graph: Distance in milesCo2 Emissions: Boeing want too produce 20% less CO2than other planes and to decrease overall fuel consumption with the 787 Dreamliners.

Sustainability and the Environment

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